MEDIUM
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n–butane on monobromination gives three isomers. The number of product(s) obtained when the major product is heated with KOH in CH3CH2OH is/are …..

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Important Questions on Hydrocarbons

EASY

The major product of the following reaction is:
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MEDIUM
When 2-butyne is treated with Pd-BaSO4; the product formed will be
EASY
2-butyne is reduced to trans-but-2-ene using
EASY
A solution of 20.2 g of 1,2 -dibromopropane in MeOH upon heating with excess Zn produces 3.58 g of an unsaturated compound X . The yield (%) of X is closest to [Atomic weight of Br is 80]
HARD
Which of the following is not the product of dehydration of
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EASY
The product Q and R in the following reactions respectively are H2+CH3CCH Lindlar's catalystPZn+H2OO3Q+R
MEDIUM

Consider the following reactions:
a CH33CCHOHCH3conc.H2SO4
b CH32CHCHBrCH3alc.KOH
c CH32CHCHBrCH3CH33OK
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Which of the reaction(s) will not produce Saytzeff product?

EASY

Identify the main product in the reaction

CCH33OH20%H3PO4358 K?

EASY
The trans-alkenes are formed by the reduction of alkynes with
MEDIUM
Consider the following reactions A(ii)H3O+iCH3MgBrB573KCu2-methyl-2-butene. The mass percentage of carbon in A is _____________. (Up to two decimal place)
EASY
What is the product when 2 -butyne is treated with liquid NH3 in presence of lithium ?
HARD
A compound A with molecular formula C10H13Cl, gives a white precipitate on adding silver nitrate solution. A on reacting with alcoholic KOH gives compound B as the main product. B on ozonolysis, gives C and D. C gives Cannizaro reaction, but not aldol condensation. D gives aldol condensation, but not Cannizaro reaction. A is
EASY

The reagent X'' used for the following reaction is

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HARD

The major product [R] in the following sequence of reaction is :

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EASY
When the vapours of tertiary butyl alcohol are passed through heated copper at 573 K, the product formed is
MEDIUM

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The product "A" and "B" formed in above reactions are

EASY
Which of the following is Lindlar catalyst?
HARD
The most suitable reagent for the following conversion, is:
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EASY
Compound 'X' on Heating with Zn dust gives compound 'Y' which on treatment with O3 followed by reaction with Zn dust gives propionaldehyde. The structure of 'X' is
HARD
2,3-Dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?